PulseFocusPlatform/ppdet/slim/__init__.py

63 lines
2.0 KiB
Python

# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from . import prune
from . import quant
from . import distill
from .prune import *
from .quant import *
from .distill import *
import yaml
from ppdet.core.workspace import load_config
from ppdet.utils.checkpoint import load_pretrain_weight
def build_slim_model(cfg, slim_cfg, mode='train'):
with open(slim_cfg) as f:
slim_load_cfg = yaml.load(f, Loader=yaml.Loader)
if mode != 'train' and slim_load_cfg['slim'] == 'Distill':
return cfg
if slim_load_cfg['slim'] == 'Distill':
model = DistillModel(cfg, slim_cfg)
cfg['model'] = model
elif slim_load_cfg['slim'] == 'DistillPrune':
if mode == 'train':
model = DistillModel(cfg, slim_cfg)
pruner = create(cfg.pruner)
pruner(model.student_model)
else:
model = create(cfg.architecture)
weights = cfg.weights
load_config(slim_cfg)
pruner = create(cfg.pruner)
model = pruner(model)
load_pretrain_weight(model, weights)
cfg['model'] = model
else:
load_config(slim_cfg)
model = create(cfg.architecture)
if mode == 'train':
load_pretrain_weight(model, cfg.pretrain_weights)
slim = create(cfg.slim)
cfg['slim_type'] = cfg.slim
cfg['model'] = slim(model)
cfg['slim'] = slim
if mode != 'train':
load_pretrain_weight(cfg['model'], cfg.weights)
return cfg